public QRImage(QRCodeEncoder encoder)
{
this.Encoder = encoder;
this.QRCodeBackgroundColor = Color.White;
this.QRCodeForegroundColor = Color.Black;
}
protected void guardarQR(string cuenta)
{
string URL = "http://planodigital.tigre.gov.ar/verificar.aspx?cuenta=" + cuenta + "";
string ruta = Server.MapPath("/Archivos/qr/" + cuenta + ".png");
QRCodeEncoder encoder = new QRCodeEncoder();
Bitmap qrcode = encoder.Encode(URL);
qrcode.Save(ruta);
lblSelec.Text = ruta;
}
/// <summary>
/// 返回二维码图片
/// </summary>
public static Bitmap Encode(string text)
{
var qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
qrCodeEncoder.QRCodeScale = 4;
qrCodeEncoder.QRCodeVersion = 5;
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
return(qrCodeEncoder.Encode(text));
}
/// <summary>
/// 根据链接获取二维码
/// </summary>
/// <param name="url">链接</param>
/// <returns>返回二维码图片</returns>
public static Image GetQRCodeBmp(string url)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
qrCodeEncoder.QRCodeScale = 4;
qrCodeEncoder.QRCodeVersion = 0;
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
return(qrCodeEncoder.Encode(url));
}
/// <summary>
/// 创建临时二维码图片（保存通讯录、vcard）
/// </summary>
/// <param name="text">二维码图片内信息</param>
/// <param name="file">二维码图片路径</param>
public static void CreateTempQrCode(string text, string file)
{
QRCodeEncoder qrencoder = new QRCodeEncoder();
qrencoder.QRCodeEncodeMode = EncodeMode;
qrencoder.QRCodeVersion = 0;
qrencoder.QRCodeScale = CodeScale;
qrencoder.QRCodeErrorCorrect = ErrorCorrection;
CreateQrCodeImg(text, file, qrencoder);
}
void LoadQRCode(String eventid, String room)
{
string url = "http://wsv-att1snd.uol.le.ac.uk/registration.aspx?event=" + eventid + "&room=" + room;
QRCodeEncoder encoder = new QRCodeEncoder();
Bitmap hi = encoder.Encode(url);
hi.Save(Server.MapPath("~/images/ji.jpg"), ImageFormat.Jpeg);
img.ImageUrl = "~/images/ji.jpg";
}
public static System.Drawing.Image GetPictureFromText(string code)
{
QRCodeEncoder encoder = new QRCodeEncoder();
encoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE; //ALPHA_NUMERIC, nonostante il nome, non va bene per codificare un GUID.
encoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
encoder.QRCodeVersion = 3;
return(encoder.Encode(code));
}
public void GenerateQRCode(string textToEncode)
{
QRCodeEncoder encoder = new QRCodeEncoder();
encoder.QRCodeScale = 8;
Bitmap bmp = encoder.Encode(textToEncode);
string filename = Guid.NewGuid().ToString("n").Substring(0, 8);
bmp.Save(filename, ImageFormat.Jpeg);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="qrCodeContent"></param>
/// <returns></returns>
public static Bitmap GenerateQRCode(string qrCodeContent)
{
QRCodeEncoder encoder = new QRCodeEncoder
{
QRCodeVersion = 0
};
Bitmap img = encoder.Encode(qrCodeContent, Encoding.UTF8);
return(img);
}
private void button2_Click(object sender, EventArgs e)
{
Random rand = new Random(); //создаём новый генератор рандомных чисел
int i = rand.Next(100000, 999999); // в переменную i заносим рандомное число в пределах от 100000 до 999999 (все шестизначные числа)
string qrimage = Convert.ToString(i); //конвеорируем i в string и записываем его значение в переменную qrimage
QRCodeEncoder encoder = new QRCodeEncoder(); // создаём новое кодирование qr-кода
Bitmap qrcode = encoder.Encode(qrimage); // получаем закодированное изображение в классе работы с изображением bitmap.
pictureBox1.Image = qrcode as Image; // выводит полученное изображение как рисунок в pictureBox1.
}
public Image QrGen()
{
QRCodeEncoder encoder = new QRCodeEncoder();
encoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
encoder.QRCodeScale = 3;
Bitmap img = encoder.Encode(ReptileId);
return(img);
}
public ActionResult<string> GetQRCode(Guid gid)
{
var item = _context.WorkTicket.Find(gid);
if (item == null)
{
return NotFound();
}
string result = QRCodeEncoder.Encoder(item);
return result;
}
public static BitmapSource Str2QRCodeImg(string code)
{
QRCodeEncoder qRCodeEncoder = new QRCodeEncoder();
qRCodeEncoder.QRCodeVersion = 0;
System.Drawing.Bitmap bmp = qRCodeEncoder.Encode(code, Encoding.UTF8);
BitmapSource bi = ImageUtil.CrateBitmapSourceFromBitmap(bmp);
return(bi);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="qrCodeContent">要编码的内容</param>
/// <returns>返回二维码位图</returns>
public static Bitmap QRCodeEncoderUtil(string qrCodeContent)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder
{
QRCodeVersion = 0
};
Bitmap img = qrCodeEncoder.Encode(qrCodeContent, Encoding.UTF8);//指定utf-8编码， 支持中文
return(img);
}
/// <summary>
/// Generates a QR code based on the input.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void generate_button_Click(object sender, EventArgs e)
{
var path = path_textbox.Text;
var encoder = new QRCodeEncoder();
var code = encoder.Encode(path);
pictureBox1.Image = code;
save_button.Enabled = true;
print_qr_code_button.Enabled = true;
}
public string CreateQRCodeImage(string id)
{
QRCodeEncoder encoder = new QRCodeEncoder();
Bitmap img = encoder.Encode(id.ToString());
string path = Server.MapPath("~/QRCodes/") + id + ".jpg";
img.Save(path, ImageFormat.Jpeg);
return(path);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="name">二维码图片的文件名</param>
/// <param name="data">要生成的文字或者数字，支持中文。如： "801000" </param>
/// <param name="encoding">三种尺寸：BYTE ，ALPHA_NUMERIC，NUMERIC</param>
/// <param name="level">大小：L M Q H</param>
/// <param name="scale">比例：如 4</param>
/// <param name="version">版本：如 8</param>
/// <returns></returns>
public static void QRCodeCreate(string encoding, string level, int scale, int version, string data, string filepath)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
switch (encoding)
{
case "Byte":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
case "AlphaNumeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
break;
case "Numeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
break;
default:
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
}
switch (level)
{
case "L":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
break;
case "M":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
break;
case "Q":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
break;
default:
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
break;
}
qrCodeEncoder.QRCodeScale = scale;
qrCodeEncoder.QRCodeVersion = version;
//文字生成图片
System.Drawing.Image image = qrCodeEncoder.Encode(data);
//string filename = name + ".jpg";
//string filepath = HttpContext.Current.Server.MapPath(@"~\upload\qrcode") + "\\" + filename;
//如果文件夹不存在，则创建
//string directory = HttpContext.Current.Server.MapPath(@"~\upload\qrcode");
//if (!Directory.Exists(directory))
// Directory.CreateDirectory(directory);
System.IO.FileStream fs = new System.IO.FileStream(filepath, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.Write);
image.Save(fs, System.Drawing.Imaging.ImageFormat.Jpeg);
fs.Close();
image.Dispose();
}
/// <summary>
/// 生成二维码方法（复杂）
/// </summary>
/// <param name="strData">要生成的文字或者数字，支持中文。如： "15377541070 上海 Akon_Coder</param>
/// <param name="qrEncoding">三种尺寸：BYTE ，ALPHA_NUMERIC，NUMERIC</param>
/// <param name="level">大小：L M Q H</param>
/// <param name="version">版本：如 8</param>
/// <param name="scale">比例：如 4</param>
/// <returns></returns>
public static string CreateCode_Choose(string strData, string qrEncoding, string level, int version, int scale)
{
var qrCodeEncoder = new QRCodeEncoder();
string encoding = qrEncoding;
switch (encoding)
{
case "Byte":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
case "AlphaNumeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
break;
case "Numeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
break;
default:
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
}
qrCodeEncoder.QRCodeScale = scale;
qrCodeEncoder.QRCodeVersion = version;
switch (level)
{
case "L":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
break;
case "M":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
break;
case "Q":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
break;
default:
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
break;
}
//文字生成图片
Image image = qrCodeEncoder.Encode(strData);
var filename = DateTime.Now.ToString("yyyymmddhhmmssfff") + ".jpg";
var filepath = AppDomain.CurrentDomain.BaseDirectory + @"\UploadPic\" + filename;
var fs = new FileStream(filepath, FileMode.OpenOrCreate, FileAccess.Write);
image.Save(fs, System.Drawing.Imaging.ImageFormat.Jpeg);
fs.Close();
image.Dispose();
return(filepath);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="Content">内容文本</param>
/// <param name="QRCodeEncodeMode">二维码编码方式</param>
/// <param name="QRCodeErrorCorrect">纠错码等级</param>
/// <param name="QRCodeVersion">二维码版本号 0-40,一般使用8</param>
/// <param name="QRCodeScale">每个小方格的预设宽度（像素），正整数</param>
/// <param name="size">图片尺寸（像素），0表示不设置</param>
/// <returns></returns>
internal static Image CreateQRCode(string Content,
QRCodeEncoder.ENCODE_MODE QRCodeEncodeMode,
QRCodeEncoder.ERROR_CORRECTION QRCodeErrorCorrect,
int QRCodeVersion, int QRCodeScale, int size)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncodeMode;
qrCodeEncoder.QRCodeErrorCorrect = QRCodeErrorCorrect;
qrCodeEncoder.QRCodeScale = QRCodeScale;
qrCodeEncoder.QRCodeVersion = QRCodeVersion;
System.Drawing.Image image = qrCodeEncoder.Encode(Content, Encoding.UTF8);
#region 根据设定的目标图片尺寸调整二维码QRCodeScale设置，并添加边框
if (size > 0)
{
#region 当设定目标图片尺寸大于生成的尺寸时，逐步增大方格尺寸,直至图片尺寸达到接近size的最大值
while (image.Width < size)
{
qrCodeEncoder.QRCodeScale++;
System.Drawing.Image imageNew = qrCodeEncoder.Encode(Content, Encoding.UTF8);
if (imageNew.Width < size)
{
image = new Bitmap(imageNew);
imageNew.Dispose();
imageNew = null;
}
else
{
//新尺寸未采用，恢复最终使用的尺寸
qrCodeEncoder.QRCodeScale--;
imageNew.Dispose();
imageNew = null;
break;
}
}
#endregion
#region 当设定目标图片尺寸小于生成的尺寸时，逐步减小方格尺寸
while (image.Width > size && qrCodeEncoder.QRCodeScale > 1)
{
qrCodeEncoder.QRCodeScale--;
System.Drawing.Image imageNew = qrCodeEncoder.Encode(Content, Encoding.UTF8);
image = new System.Drawing.Bitmap(imageNew);
imageNew.Dispose();
imageNew = null;
if (image.Width < size)
{
break;
}
}
#endregion
}
#endregion
return(image);
}
// POST: /Customers/ExportCard
public FileResult ExportCard(int ContractID, int CustomerID)
{
IList <Customers> listData = new List <Customers>();
CustomersData data = new CustomersData();
listData = data.Get(CustomerID);
try
{
string yourcode = CustomerID + ":" + ContractID;
string firstText = listData[0].CustomerName;
string secondText = "(" + listData[0].CustomerNickName + ")";
PointF firstLocation = new PointF(550f, 250f);
PointF secondLocation = new PointF(550f, 300f);
string imageFilePath = Server.MapPath("~/Content/bg_1.png");
Bitmap bitmap = new Bitmap(1800, 1400);
bitmap = (Bitmap)Image.FromFile(imageFilePath);//load the image file
//string imageFilePath1 = Server.MapPath("~/Content/qr1.png");
//Bitmap bitmap1 = new Bitmap(400, 400);
//bitmap1 = (Bitmap)Image.FromFile(imageFilePath1.ToString());//load the image file
QRCodeEncoder enc = new QRCodeEncoder();
enc.QRCodeScale = 5;
Bitmap qrcode = enc.Encode(yourcode);
using (Graphics graphics = Graphics.FromImage(bitmap))
{
using (Font arialFont = new Font("Cordia New", 30))
{
graphics.DrawString(firstText, arialFont, Brushes.White, firstLocation);
graphics.DrawString(secondText, new Font("Cordia New", 30), Brushes.White, secondLocation);
graphics.DrawImage(qrcode.Clone(new Rectangle(0, 0, qrcode.Width - 1, qrcode.Height - 1), qrcode.PixelFormat), new Point(200, 200));
}
}
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
bitmap.Save(Server.MapPath("~/Content/img1.jpg"), System.Drawing.Imaging.ImageFormat.Png);
return(File(Server.MapPath("~/Content/img1.jpg"), System.Net.Mime.MediaTypeNames.Application.Octet,
"MEMBER" + (CustomerID * 1000) + ContractID + ".png"));
}
catch (Exception)
{
throw;
}
}
private Image GetQRImage(string data)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
try
{
//14 2920bit/8=365byte 16 3624/8=453byte 18 4504=536byte 20 5352=669byte
qrCodeEncoder.QRCodeScale = Int16.Parse(System.Configuration.ConfigurationManager.AppSettings["QRCodeScale"]);
}
catch (Exception ex)
{
qrCodeEncoder.QRCodeScale = 2;
}
try
{
//14 2920bit/8=365byte 16 3624/8=453byte 18 4504=536byte 20 5352=669byte
qrCodeEncoder.QRCodeVersion = Int16.Parse(System.Configuration.ConfigurationManager.AppSettings["QRCodeVersion"]);
}
catch (Exception ex)
{
qrCodeEncoder.QRCodeVersion = 16;
}
string errorCorrect = "M";
if (errorCorrect == "L")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
}
else if (errorCorrect == "M")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
}
else if (errorCorrect == "Q")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
}
else if (errorCorrect == "H")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
}
Image image;
//,System.Text.Encoding.UTF8
int length = data.Length;
image = qrCodeEncoder.Encode(data, System.Text.Encoding.GetEncoding("gb2312"));
return(image);
}
public void Qrcode()
{
string url = "http://mc.cargocargo.cn/cardshare";
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
qrCodeEncoder.QRCodeScale = 4;
qrCodeEncoder.QRCodeVersion = 8;
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
System.Drawing.Image image = qrCodeEncoder.Encode(url);
}
public static Bitmap ToQRCode(string strText, string filename)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
qrCodeEncoder.QRCodeVersion = 7;
qrCodeEncoder.QRCodeScale = 4;
//生成图像
return(qrCodeEncoder.Encode(strText, Encoding.Default));
}
private Image generateQrCode(string data, int kkLevel)
{
QRCodeEncoder qe = new QRCodeEncoder();
qe.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
qe.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
qe.QRCodeVersion = kkLevel;
Bitmap bm = qe.Encode(data);
return(bm);
}
/// <summary>
/// 生成二维码图片
/// </summary>
/// <param name="strText">图片中的文本信息</param>
/// <param name="filename"></param>
/// <returns></returns>
public static Bitmap ToQRCode(string strText)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE; //设置二维码编码格式
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M; //设置错误校验
qrCodeEncoder.QRCodeVersion = 7; //设置编码测量度 4
qrCodeEncoder.QRCodeScale = 4; //设置编码版本 0
//生成图像
return(qrCodeEncoder.Encode(strText, Encoding.Default));
}
public ActionResult getDecode(int no)
{
QRCodeEncoder enc = new QRCodeEncoder();
QRCodeDecoder dec = new QRCodeDecoder();
//string aaa = (dec.decode(new QRCodeBitmapImage(qrcode)));
Bitmap b = new Bitmap(Path.Combine(Server.MapPath("/App_Data/" + no + ".jpg")));
string aaaaa = (dec.decode(new QRCodeBitmapImage(b)));
return(Json(new { success = true }));
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="strData">要生成的文字或者数字，支持中文。如： "4408810820 深圳－广州" 或者：4444444444</param>
/// <param name="qrEncoding">三种尺寸：BYTE ，ALPHA_NUMERIC，NUMERIC</param>
/// <param name="level">大小：L M Q H</param>
/// <param name="version">版本：如 8</param>
/// <param name="scale">比例：如 4</param>
/// <returns></returns>
public string CreateCode_Choose(string strData, string qrEncoding, string level, int version, int scale)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
string encoding = qrEncoding;
switch (encoding)
{
case "Byte":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
case "AlphaNumeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
break;
case "Numeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
break;
default:
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
}
qrCodeEncoder.QRCodeScale = scale;
qrCodeEncoder.QRCodeVersion = version;
switch (level)
{
case "L":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
break;
case "M":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
break;
case "Q":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
break;
default:
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
break;
}
System.Drawing.Image image = qrCodeEncoder.Encode(strData);
string filename = DateTime.Now.ToString("yyyymmddhhmmssfff").ToString() + ".jpg";
string filepath = Server.MapPath(@"~\WeiXinZhiFu\Upload") + "\\" + filename;
System.IO.FileStream fs = new System.IO.FileStream(filepath, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.Write);
image.Save(fs, System.Drawing.Imaging.ImageFormat.Jpeg);
fs.Close();
image.Dispose();
return(string.Format(@"/Upload/" + filename));
}
public Image CreateQRCode(string data)
{
Image img = null;
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
if (encoding == "Byte")
{
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
}
else if (encoding == "AlphaNumeric")
{
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
}
else if (encoding == "Numeric")
{
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
}
try
{
qrCodeEncoder.QRCodeScale = scale;
}
catch
{
return(img);
}
try
{
qrCodeEncoder.QRCodeVersion = version;
}
catch
{
return(img);
}
if (errorCorrect == "L")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
}
else if (errorCorrect == "M")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
}
else if (errorCorrect == "Q")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
}
else if (errorCorrect == "H")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
}
img = qrCodeEncoder.Encode(data);
return(img);
}
/// <summary>
///
/// </summary>
/// <param name="keyValue"></param>
/// <param name="filePath"></param>
/// <param name="equiptype"></param>
public void BuilderImg10(string keyValue, string filePath, string equiptype)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder
{
QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE,
QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M,
QRCodeVersion = 21,
QRCodeScale = 3,
QRCodeForegroundColor = System.Drawing.Color.Black
};
float size = 301, margin = 1f;
System.Drawing.Image image = qrCodeEncoder.Encode(keyValue + "|" + equiptype, Encoding.UTF8);
int resWidth = (int)(size + 2 * margin);
int resHeight = (int)(size + 2 * margin);
// 核心就是这里新建一个bitmap对象然后将image在这里渲染
Bitmap newBit = new Bitmap(resWidth, resHeight, PixelFormat.Format32bppRgb);
Graphics gg = Graphics.FromImage(newBit);
// 设置背景白色
for (int x = 0; x < resWidth; x++)
{
for (int y = 0; y < resHeight; y++)
{
newBit.SetPixel(x, y, System.Drawing.Color.White);
}
}
// 设置黑色边框
for (int i = 0; i < resWidth; i++)
{
newBit.SetPixel(i, 0, System.Drawing.Color.Black);
newBit.SetPixel(i, resHeight - 1, System.Drawing.Color.Black);
}
for (int j = 0; j < resHeight; j++)
{
newBit.SetPixel(0, j, System.Drawing.Color.Black);
newBit.SetPixel(resWidth - 1, j, System.Drawing.Color.Black);
}
RectangleF desRect = new RectangleF()
{
X = margin, Y = margin, Width = size, Height = size
};
RectangleF srcRect = new RectangleF()
{
X = 0, Y = 0, Width = image.Width, Height = image.Height
};
gg.DrawImage(image, desRect, srcRect, GraphicsUnit.Pixel);
newBit.Save(filePath, ImageFormat.Jpeg);
newBit.Dispose();
image.Dispose();
}
Bitmap GenerateQR(string s)
{
QRCodeEncoder qrencode = new QRCodeEncoder();
qrencode.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
qrencode.QRCodeScale = 5;
qrencode.QRCodeVersion = 7;
qrencode.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
return(qrencode.Encode(s));
}
/// 生成二维码
/// </summary>
/// <param name="strData">要生成的文字或者数字，支持中文。如： "4408810820 深圳－广州" 或者：4444444444</param>
/// <param name="qrEncoding">三种尺寸：BYTE ，ALPHA_NUMERIC，NUMERIC</param>
/// <param name="level">纠错编码：L(%7字码可被修改) M(%15字码可被修改) Q(%25字码可被修改) H(%30字码可被修改) </param>
/// <param name="version">版本：如 8</param>
/// <param name="scale">比例：如 4</param>
/// <returns>返回二维码图片</returns>
public static Image CreateQRCodeImage(string strData, string qrEncoding, string level, int version, int scale)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
string encoding = qrEncoding;
switch (encoding)
{
case "Byte":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
case "AlphaNumeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
break;
case "Numeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
break;
default:
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
}
qrCodeEncoder.QRCodeScale = scale;
qrCodeEncoder.QRCodeVersion = version;
switch (level)
{
case "L":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
break;
case "M":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
break;
case "Q":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
break;
default:
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
break;
}
//文字生成图片
Bitmap image = qrCodeEncoder.Encode(strData, Encoding.Default);
return(image);
//System.IO.FileStream fs = new System.IO.FileStream(filepath, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.Write);
//image.Save(fs, System.Drawing.Imaging.ImageFormat.Jpeg);
//fs.Close();
//image.Dispose();
//return Content(@"/Upload/" + filename);
}
public void DecodeImageTest()
{
QRCodeEncoder encoder = new QRCodeEncoder();
encoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
encoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
encoder.QRCodeVersion = 4;
string content = "Hello World";
var cellWidth = 6;
var img = new QRImage(encoder).EncodeImage(content, cellWidth);
Assert.IsNotNull(img, "Image is not null");
QRCodeDecoder decoder = new QRCodeDecoder();
QRCodeBitmapImage bitmapImg = new QRCodeBitmapImage(img);
var result = decoder.decode(bitmapImg);
Assert.AreEqual(content, result);
}
public void EncodeDataTest()
{
QRCodeEncoder target = new QRCodeEncoder();
target.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
target.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
target.QRCodeVersion = 4;
string content = "Hello World";
bool[][] expected = helloWorldQRData;
bool[][] actual;
actual = target.EncodeData(content);
Assert.AreEqual<int>(expected.Length, actual.Length, "Lengths equal");
string msgForm = "Value Same: [{0},{1}]";
for (int row = 0; row < actual.Length; row++)
{
for (int col = 0; col < actual.Length; col++)
{
// Note the comparison col, row are switched because my exported data is backwards
Assert.AreEqual(expected[row][col], actual[col][row], string.Format(msgForm, col, row));
}
}
}
public void EncodeImageTest()
{
QRCodeEncoder encoder = new QRCodeEncoder();
encoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
encoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
encoder.QRCodeVersion = 4;
string content = "Hello World";
var cellWidth = 6;
var img = new QRImage(encoder).EncodeImage(content, cellWidth);
Assert.IsNotNull(img, "Image is not null");
var halfCellWidth = cellWidth / 2;
var cells = encoder.EncodeData(content);
for (int i = 0; i < cells.Length; i++)
{
for (int j = 0; j < cells.Length; j++)
{
// Add offset for middle of cell.
var x = (i * cellWidth) + halfCellWidth;
var y = (j * cellWidth) + halfCellWidth;
var pixColor = img.GetPixel(x, y);
var expected = cells[i][j] ? Color.Black : Color.White;
Assert.AreEqual(expected.R, pixColor.R);
Assert.AreEqual(expected.G, pixColor.G);
Assert.AreEqual(expected.B, pixColor.B);
}
}
img.Save("HelloWorld" + new Random().Next(100, 999) + "_QR.bmp");
}
/// <summary>
/// Draws the qr.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="metrics">The metrics.</param>
/// <returns></returns>
protected virtual Image DrawQr(string text, BarcodeMetricsQr metrics)
{
QRCodeEncoder encoder = new QRCodeEncoder
{
Scale = metrics.Scale,
Version = metrics.Version,
EncodeMode = metrics.EncodeMode,
ErrorCorrect = metrics.ErrorCorrection,
};
return encoder.Encode(text);
}
/// <summary>
/// Gets a <see cref="T:Zen.Barcode.BarcodeMetrics"/> object containing default
/// settings for the specified maximum bar height.
/// </summary>
/// <param name="maxHeight">The maximum barcode height.</param>
/// <returns>
/// A <see cref="T:Zen.Barcode.BarcodeMetrics"/> object.
/// </returns>
public override BarcodeMetrics GetDefaultMetrics(int maxHeight)
{
QRCodeEncoder temp = new QRCodeEncoder();
return new BarcodeMetricsQr
{
Scale = temp.Scale,
Version = temp.Version,
EncodeMode = temp.EncodeMode,
ErrorCorrection = temp.ErrorCorrect,
};
}
private bool isQrCodeError(QRCodeEncoder qrCodeEncoder, String data)
{
try
{
qrCodeEncoder.calQrcode(Encoding.UTF8.GetBytes(data));
return false;
}
catch
{
return true;
}
}
/// <summary>
/// 设置二维码参数
/// </summary>
private QRCodeEncoder SetQrCodeParam()
{
QRCodeEncoder _qrCodeEncoder = new QRCodeEncoder();
string encoding = cboEncoding.Text;
if (encoding == "Byte")
{
_qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
}
else if (encoding == "AlphaNumeric")
{
_qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
}
else if (encoding == "Numeric")
{
_qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
}
try
{
int scale = Convert.ToInt16(txtSize.Text);
_qrCodeEncoder.QRCodeScale = scale;
}
catch (Exception ex)
{
MessageBox.Show("无效的大小!");
return null;
}
try
{
//版本为0时，自动识别
int version = 0;
//int version = Convert.ToInt16(cboVersion.Text);
_qrCodeEncoder.QRCodeVersion = version;
}
catch (Exception ex)
{
MessageBox.Show("无效的版本!");
}
string errorCorrect = cboCorrectionLevel.Text;//类型框
if (errorCorrect == "L")
_qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
else if (errorCorrect == "M")
_qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
else if (errorCorrect == "Q")
_qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
else if (errorCorrect == "H")
_qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
return _qrCodeEncoder;
}
